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estrogen receptor negative (ES-truh-jin reh-SEP-ter NEH-guh-tiv)

 Describes cells that do not have a protein to which the hormone estrogen will bind. Cancer cells that are estrogen receptor negative do not need estrogen to grow, and usually do not stop growing when treated with hormones that block estrogen from binding. Also called ER-.



Previous Definitions:esterified estrogen, estradiol, estramustine, estrogen, estrogen receptor
Next Definitions:estrogen receptor positive, estrogen receptor test, estrogen replacement therapy, ET-743, etanercept

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